CN202794202U - Device suitable for sample collection of full-automatic blood cell analyzer - Google Patents
Device suitable for sample collection of full-automatic blood cell analyzer Download PDFInfo
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- CN202794202U CN202794202U CN 201220527222 CN201220527222U CN202794202U CN 202794202 U CN202794202 U CN 202794202U CN 201220527222 CN201220527222 CN 201220527222 CN 201220527222 U CN201220527222 U CN 201220527222U CN 202794202 U CN202794202 U CN 202794202U
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- sample collection
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Abstract
The utility model discloses a device suitable for sample collection of a full-automatic blood cell analyzer and belongs to the blood detection equipment, in particular the device for the sample collection of the full-automatic blood cell analyzer which is used for blood routine examination. The device comprises a sampling needle with an inner hole which is connected with a diluent filling device through a pipeline, and is characterized in that a sampling needle outer wall cleaning element is sleeved outside the sampling needle, a waste liquid outlet and a cleaning diluent inlet arranged up and down are mounted on the side walls of the housing of the sampling needle outer wall cleaning element, the waste liquid outlet is connected with a waste liquid collecting device and the cleaning diluent inlet is connected with a diluent supply device. The sampling needle is full of the diluent, the diluent and the all blood sample are isolated by an air column, the sampling needle outer wall cleaning element is used for cleaning the outer wall of the sampling needle, before filling the all blood sample, the front end of the all blood sample is extracted, and the inner wall of the sampling needle is cleaned after the all blood sample filling is completed; and therefore, accurate metering during sample collection is guaranteed.
Description
Technical field
The utility model belongs to blood testing equipment, method and the device of the sample collection of the Automatic Blood Cell Analyzer that particularly uses in the clinical examination routine blood test project.
Background technology
The Automatic Blood Cell Analyzer that uses in the clinical examination routine blood test project requires trace blood, three classification or five classification cellanalyzers approximately need to use 10-60 microlitre whole blood sample to measure, so the sample collection of trace is easy to occur following problem: 1. be present in the air in the sampling probe pipeline, in the syringe pump sample drawn, because the existence of pressure reduction, the cumulative volume of air can change, the quantity that affects sample collection is inaccurate, 2. each extract and during the filling sample, the amount of sampling probe inwall or the residual sample of outer wall is inconsistent, can cause the inaccurate problem of application of sample, if 3. the sampling probe inwall is full of dilution, after diluting liquid level and the sample liquid level contacting, can mutually permeate, change the concentration of whole blood sample, when whole blood sample need to be filled into respectively different measuring mechanisms, whole blood sample can lengthen in the sampling probe internal stops time, and along with each filling whole blood sample, it is also just more serious that infiltration occurs mutually for cleaning fluid and whole blood sample, caused the concentration of whole blood sample of each filling inconsistent.
The utility model content
Though owing to have in the sampling probe that air, the residual sample of sampling probe inside and outside wall cause that metering is inaccurate, solved measurement problem when using dilution in the sampling probe but dilution can occur can interpenetrate the deficiency that causes change whole blood sample concentration with the sample intersection, the purpose of this utility model provides a kind of device that is applicable to the sample collection of Automatic Blood Cell Analyzer in order to overcome in existing three classification or the five classification cellanalyzer sample collections.
The technical solution of the utility model is, a kind of device that is applicable to the sample collection of Automatic Blood Cell Analyzer, comprise sampling probe, the sampling probe endoporus is connected with the dilution filing provision by pipeline, it is characterized in that: the sampling probe overcoat has sampling probe outer wall washing spare, the waste liquid outlet and the cleaning that are arranged above and below are housed on the sampling probe outer wall washing spare housing sidewall use the dilution import, waste liquid outlet links to each other with waste collecting device, cleans with the dilution import to link to each other with the dilution feedway.
Described waste collecting device comprises waste drains pump and the waste liquid bottle that links to each other with waste liquid outlet.
Described sampling probe is equipped with the sampling probe O-ring seal outward.
Between the syringe pump push rod of described syringe pump and the injection pump housing sealing syringe pump O-ring seal is housed.
Described dilution filing provision comprises syringe pump, and the end of syringe pump has dilution inlet pipe road to be connected with diluting pump, and the inner wall washing solenoid valve is housed between dilution inlet pipe road and the diluting pump, and diluting pump links to each other with the dilution bottle.
The cleaning of described dilution feedway is connected to dilution pipeline one end and cleans with in the dilution import, and the other end links to each other with the dilution bottle with diluting pump through the outer wall washing solenoid valve.
Use the sample collection method of the device of aforesaid a kind of sample collection that is applicable to Automatic Blood Cell Analyzer, it is characterized in that: when drawing whole blood sample, the lower end of sampling probe is retracted to the centre position of sampling probe outer wall washing spare, the syringe pump push rod is descending, make the upper end of syringe pump push rod be lower than dilution inlet pipe road, the waste drains pump operation produces negative pressure, the lower end of sampling probe is retracted to the centre position of sampling probe outer wall washing spare, the inner wall washing solenoid valve powers on and opens, the diluting pump operation, dilution flows out from sampling probe is inner, waste liquid outlet at sampling probe outer wall washing spare is pumped, inner wall washing is complete, diluting pump is out of service, the outage of inner wall washing solenoid valve is closed, the syringe pump push rod is up to topmost, descending a bit of again, draw the air of trace, to form air barrier, it is inner that sampling probe goes downwards to the whole blood sample test tube, the whole blood sample that the descending absorption of syringe pump push rod is quantitative, sampling probe is up to the centre position of sampling probe outer wall washing spare, in the up process of sampling probe, the outer wall washing solenoid valve powers on and opens, the diluting pump operation, clean the whole blood sample that adheres on the sampling probe outer wall, clean complete after, diluting pump stops, the outage of outer wall washing solenoid valve is closed, sampling probe carry stop after, the syringe pump push rod is operation upwards, the whole blood sample front end of sampling probe inside is discharged, the whole blood sample of discharging is taken out by the waste liquid outlet of sampling probe outer wall washing spare, waste drains pump is closed, stop to produce negative pressure, the sampling probe translation, the whole blood sample layer is filled into respectively in each different measuring mechanism, after the filling of whole blood sample layer is complete, sampling probe is up to the centre position of sampling probe outer wall washing spare, the waste drains pump operation produces negative pressure, the syringe pump push rod is descending, make the upper end of syringe pump push rod be lower than dilution inlet pipe road, conduct on the inner wall washing solenoid valve, the diluting pump operation, the inner new cleaning fluid that injects of sampling probe is pushed away the whole blood sample end, and the waste liquid outlet of sampled pin outer wall washing spare takes out, and finishes a sample collection filling and sampling probe cleaning process.
The utility model adopts the sampling probe inner space to be full of dilution, before sample drawn, syringe pump extracts first the air of trace, extracts whole blood sample again, the air column that forms is used for isolating dilution and whole blood sample, prevents dilution and whole blood sample permeates mutually.
In order to solve the residual inconsistent problem of whole blood sample, the utility model uses sampling probe outer wall washing spare and dilution that the whole blood sample that the sampling probe outer wall adheres to is cleaned, because existing with dilution, the front end of the whole blood sample of sampling probe inside and terminal sample contact on a small quantity, so before the filling whole blood sample, first the front-end samples of the whole blood sample of sampling probe inside is taken out in sampling probe outer wall washing spare, after the whole blood sample filling was complete, the terminal sample of the whole blood sample of sampling probe inside was taken out in the process of dilution cleaning sampling probe inwall.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is inner each the liquid layer distribution plan of sampling probe.
Among the figure, 1. sampling probe, 2. sampling probe O-ring seal, 3. sampling probe outer wall washing spare, 4. waste drains pump, 5. waste liquid bottle, 6. syringe pump push rod, 7. syringe pump O-ring seal, 8. syringe pump dilution liquid layer, 9. dilution inlet pipe road, 10. diluting pump, 11. dilution bottles, 12. the inner wall washing solenoid valve, 13. outer wall washing solenoid valves, 14. sampling probes dilution liquid layer, 15. air barrier, 16. whole blood sample layers, 17. whole blood sample front ends, 18. whole blood sample is terminal, 19. waste liquid outlets, 20. cleaning dilution imports.
Embodiment
Embodiment of the present utility model is, as shown in the figure:
Use the sample collection method of the device of aforesaid a kind of sample collection that is applicable to Automatic Blood Cell Analyzer to be: when drawing whole blood sample, the lower end of sampling probe is retracted to the centre position of sampling probe outer wall washing spare, the syringe pump push rod is descending, make the upper end of syringe pump push rod be lower than dilution inlet pipe road, the waste drains pump operation produces negative pressure, the lower end of sampling probe is retracted to the centre position of sampling probe outer wall washing spare, the inner wall washing solenoid valve powers on and opens, the diluting pump operation, dilution flows out from sampling probe is inner, waste liquid outlet at sampling probe outer wall washing spare is pumped, inner wall washing is complete, diluting pump is out of service, the outage of inner wall washing solenoid valve is closed, the syringe pump push rod is up to topmost, descending a bit of again, draw the air of trace, to form air barrier, it is inner that sampling probe goes downwards to the whole blood sample test tube, the whole blood sample that the descending absorption of syringe pump push rod is quantitative, sampling probe is up to the centre position of sampling probe outer wall washing spare, in the up process of sampling probe, the outer wall washing solenoid valve powers on and opens, the diluting pump operation, clean the whole blood sample that adheres on the sampling probe outer wall, clean complete after, diluting pump stops, the outage of outer wall washing solenoid valve is closed, sampling probe carry stop after, the syringe pump push rod is operation upwards, the whole blood sample front end of sampling probe inside is discharged, the whole blood sample of discharging is taken out by the waste liquid outlet of sampling probe outer wall washing spare, waste drains pump is closed, stop to produce negative pressure, the sampling probe translation, the whole blood sample layer is filled into respectively in each different measuring mechanism, after the filling of whole blood sample layer is complete, sampling probe is up to the centre position of sampling probe outer wall washing spare, the waste drains pump operation produces negative pressure, the syringe pump push rod is descending, make the upper end of syringe pump push rod be lower than dilution inlet pipe road, conduct on the inner wall washing solenoid valve, the diluting pump operation, the inner new cleaning fluid that injects of sampling probe is pushed away the whole blood sample end, and the waste liquid outlet of sampled pin outer wall washing spare takes out, and finishes a sample collection filling and sampling probe cleaning process.
Specific operation process is as shown in Figure 1: inner wall washing solenoid valve 12 and outer wall washing solenoid valve 13 are normally close valve, on conduct, the end of syringe pump has dilution inlet pipe road 9 to be connected with diluting pump 10, use syringe pump O-ring seal 7 to connect sealing between syringe pump push rod 6 and the injection pump housing, when syringe pump push rod 6 descending, when making the upper end of syringe pump push rod 6 be lower than dilution inlet pipe road 9, conduct on the inner wall washing solenoid valve 12, diluting pump 10 operations, dilution in the dilution bottle 11 can be filled in the sampling probe 1 by syringe pump inner chamber and associated pipe, use sampling probe O-ring seal 2 to connect sealing between sampling probe 1 and the sampling probe outer wall washing spare 3, the lower end of sampling probe 1 is retracted to the centre position of sampling probe outer wall washing spare 3, waste drains pump 4 operations produce negative pressure, the sampling probe 1 inner cleaning fluid that flows out can be extracted in the waste liquid bottle 5 by waste liquid outlet 19.
When needs are drawn whole blood sample, the lower end of sampling probe 1 is retracted to the centre position of sampling probe outer wall washing spare 3, syringe pump push rod 6 is descending, make the upper end of syringe pump push rod 6 be lower than dilution inlet pipe road 9, waste drains pump 4 operations produce negative pressure, inner wall washing solenoid valve 12 powers on and opens, diluting pump 10 operations, dilution flows out from sampling probe is inner, waste liquid outlet 19 at sampling probe outer wall washing spare 3 is pumped, inner wall washing is complete, diluting pump 10 is out of service, 12 outages of inner wall washing solenoid valve are closed, syringe pump push rod 6 is up to topmost, descending a bit of again, draw the air of trace, to form air barrier 15 as shown in Figure 2, because sampling probe 1 inside is instinct dilution almost, a bit of air barrier 15 is only arranged, so when drawing whole blood sample, the variation of the volume of air of this sub-fraction is very little on the volume impact that gathers whole blood sample, and it is inner that sampling probe 1 goes downwards to the whole blood sample test tube, the quantitative whole blood sample of syringe pump push rod 6 descending absorptions, sampling probe 1 is up to the centre position of sampling probe outer wall washing spare 3, in the sampling probe 1 up process, outer wall washing solenoid valve 13 powers on and opens, diluting pump 10 operations, clean the whole blood sample that adheres on sampling probe 1 outer wall, clean complete after, diluting pump 10 stops, outer wall washing solenoid valve 13 outage is closed.
As shown in Figure 2, between sampling probe dilution liquid layer 14 and the whole blood sample end 18 air barrier 15 is arranged, can well dilution and whole blood sample be separated, avoid interpenetrating, whole blood sample front end 17 is carried to the centre position of outer wall washing spare 3 and is cleaned simultaneously in the outer wall process at sampling probe 1 and contacts with cleaning fluid, cause interpenetrating with cleaning fluid, so sampling probe 1 carry stop after, syringe pump push rod 6 upwards moves a bit of, the whole blood sample front end 17 of sampling probe 1 inside is discharged, the whole blood sample of discharging is taken out by the waste liquid outlet 19 of sampling probe outer wall washing spare 3, waste drains pump is closed, stop to produce negative pressure, sampling probe 1 translation, whole blood sample layer 16 is filled into respectively in each different measuring mechanism, after 16 filling of whole blood sample layer are complete, whole blood sample end 18 is also left in sampling probe 1 inside, sampling probe 1 is up to the centre position of sampling probe outer wall washing spare 3, the waste drains pump operation produces negative pressure, syringe pump push rod 6 is descending, make the upper end of syringe pump push rod 6 be lower than dilution inlet pipe road 9, conduct on the inner wall washing solenoid valve 12, diluting pump 10 operations, the sampling probe 1 inner new cleaning fluid that injects is pushed away whole blood sample end 18, and the waste liquid outlet 19 of sampled pin outer wall washing spare 3 is taken out.
Claims (6)
1. device that is applicable to the sample collection of Automatic Blood Cell Analyzer, comprise sampling probe, the sampling probe endoporus is connected with the dilution filing provision by pipeline, it is characterized in that: the sampling probe overcoat has sampling probe outer wall washing spare, the waste liquid outlet and the cleaning dilution import that are arranged above and below are housed on the sampling probe outer wall washing spare housing sidewall, waste liquid outlet links to each other with waste collecting device, cleans with the dilution import to link to each other with the dilution feedway.
2. a kind of device that is applicable to the sample collection of Automatic Blood Cell Analyzer according to claim 1, it is characterized in that: described waste collecting device comprises waste drains pump and the waste liquid bottle that links to each other with waste liquid outlet.
3. a kind of device that is applicable to the sample collection of Automatic Blood Cell Analyzer according to claim 1, it is characterized in that: described sampling probe is equipped with the sampling probe O-ring seal outward.
4. a kind of device that is applicable to the sample collection of Automatic Blood Cell Analyzer according to claim 1 is characterized in that: between the syringe pump push rod of described syringe pump and the injection pump housing sealing syringe pump O-ring seal is housed.
5. a kind of device that is applicable to the sample collection of Automatic Blood Cell Analyzer according to claim 1, it is characterized in that: described dilution filing provision comprises syringe pump, the end of syringe pump has dilution inlet pipe road to be connected with diluting pump, the inner wall washing solenoid valve is housed between dilution inlet pipe road and the diluting pump, and diluting pump links to each other with the dilution bottle.
6. a kind of device that is applicable to the sample collection of Automatic Blood Cell Analyzer according to claim 1, it is characterized in that: the cleaning of described dilution feedway is connected to dilution pipeline one end and cleans with in the dilution import, and the other end links to each other with the dilution bottle with diluting pump through the outer wall washing solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527222 CN202794202U (en) | 2012-10-15 | 2012-10-15 | Device suitable for sample collection of full-automatic blood cell analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220527222 CN202794202U (en) | 2012-10-15 | 2012-10-15 | Device suitable for sample collection of full-automatic blood cell analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN202794202U true CN202794202U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220527222 Expired - Fee Related CN202794202U (en) | 2012-10-15 | 2012-10-15 | Device suitable for sample collection of full-automatic blood cell analyzer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901835A (en) * | 2012-10-15 | 2013-01-30 | 济南美医林电子仪器有限公司 | Method and device for collecting sample by full-automatic blood cell analyzer |
| CN108508140A (en) * | 2018-06-22 | 2018-09-07 | 济南盛泰电子科技有限公司 | A kind of full-automatic permanganate index analysis system |
| CN110270564A (en) * | 2018-03-15 | 2019-09-24 | 深圳迈瑞生物医疗电子股份有限公司 | A kind of cleaning method and sample analyser of reactant |
-
2012
- 2012-10-15 CN CN 201220527222 patent/CN202794202U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901835A (en) * | 2012-10-15 | 2013-01-30 | 济南美医林电子仪器有限公司 | Method and device for collecting sample by full-automatic blood cell analyzer |
| CN102901835B (en) * | 2012-10-15 | 2014-01-29 | 山东美医林电子仪器有限公司 | Method and device for collecting sample by full-automatic blood cell analyzer |
| CN110270564A (en) * | 2018-03-15 | 2019-09-24 | 深圳迈瑞生物医疗电子股份有限公司 | A kind of cleaning method and sample analyser of reactant |
| CN110270564B (en) * | 2018-03-15 | 2022-06-10 | 深圳迈瑞生物医疗电子股份有限公司 | Reactant cleaning method and sample analyzer |
| CN108508140A (en) * | 2018-06-22 | 2018-09-07 | 济南盛泰电子科技有限公司 | A kind of full-automatic permanganate index analysis system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG MEIYILIN ELECTRONIC INSTRUMENT CO., LTD. Free format text: FORMER NAME: JINAN MEIYILIN ELECTRONIC INSTRUNMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Changqing District of Ji'nan City, Shandong province 250300 guyuanhu Danfeng Street office area one floor of a unit Room 201 Patentee after: Shandong Meiyilin Electronic Instrument Co., Ltd. Address before: Changqing District of Ji'nan City, Shandong province 250307 guyuanhu Street office, First Street West Patentee before: Jinan Meiyilin Electronic Instrunment Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20151015 |
|
| EXPY | Termination of patent right or utility model |